Hinge assembly and electronic equipment

Abstract

The invention discloses a hinge assembly and electronic equipment and relates to the technical field of electronic equipment. The problems that an existing hinge assembly is complex in structure, large in size and not beneficial to lightening and thinning of electronic equipment are solved. The hinge assembly (30) comprises a base (100), a rotating seat (200), a rotating assembly (300) and a fixed seat (400). The base (100) is used for being fixedly connected with a first component. The rotating seat (200) is used for being fixedly connected with a second component. The rotating assembly (300) comprises a rotating shaft (310) and a through hole (320), one of the rotating shaft (310) and the through hole (320) is arranged on the base (100), the other of the rotating shaft (310) and the through hole (320) is arranged on the rotating seat (200), and the rotating shaft (310) is inserted into the through hole (320) so that the base (100) can be rotationally connected with the rotating seat (200). A shaft hole (410) is formed in the fixing base (400), the end of the rotating shaft (310) is inserted into the shaft hole (410), and the rotating shaft (310) is in interference fit with the shaft hole (410).

Description

Hinge assembly and electronic device

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on August 9, 2023, with application number 202311002260.8 and invention name “A hinge assembly and electronic device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the technical field of electronic devices, and in particular to a hinge assembly and an electronic device. Background Art

[0003] Foldable electronic devices (eg, laptop computers) are more popular among users due to their portability.

[0004] The laptop computer includes a display portion and a keyboard portion, which are rotatably connected to each other via a hinge assembly so that the display portion can rotate relative to the keyboard portion, thereby being foldable.

[0005] However, the hinge assembly of an existing laptop computer has many components and a complex structure, resulting in a large overall volume, which is not conducive to the lightweight and thinning of the electronic device.

[0006] Summary of the Invention

[0007] The embodiments of the present application provide a hinge assembly and an electronic device, which are used to solve the problem that the existing hinge assembly has a complex structure and a large volume, which is not conducive to the lightweight and thinning of the electronic device.

[0008] To achieve the above objectives, the embodiments of the present application adopt the following technical solutions:

[0009] In a first aspect, a hinge assembly is provided, comprising a base, a rotating seat, a rotating assembly, and a fixed seat. The base is fixedly connected to the first component. The rotating seat is fixedly connected to the second component. The rotating assembly includes a rotating shaft and a through hole, one of which is disposed on the base, and the other of which is disposed on the rotating seat. The rotating shaft is inserted into the through hole to rotatably connect the base and the rotating seat. The fixed seat has an axial hole, into which the end of the rotating shaft is inserted, with an interference fit between the rotating shaft and the axial hole.

[0010] The hinge assembly provided in the first aspect of the present application has a base for fixedly connecting with a first component, for example, the keyboard part of a laptop computer. The rotating seat is used for fixedly connecting with a second component, for example, the display part of a laptop computer. In addition, the rotating seat and the base are rotatably connected via a rotating assembly, that is, a rotating shaft and an axial hole, so that the display part and the keyboard part of the laptop computer can rotate relative to each other. In addition, a fixed seat is provided at the end of the rotating shaft, and the fixed seat is fixedly connected to the base, and an axial hole is provided on the fixed seat. The rotating shaft and the axial hole are interference fit, that is, the friction force generated when the two rotate relative to each other can form a damping force, and the overall number of parts is relatively small. Therefore, the number of parts of the hinge assembly as a whole is small, which is conducive to reducing the overall volume of the hinge assembly, thereby facilitating the thinness of electronic equipment.

[0011] Furthermore, during installation, the rotating base can be first mounted on the base, with the ends of the rotating shaft inserted into the through-holes in the base to achieve a rotational connection between the rotating base and the base. Next, a fixed base is mounted on the ends of the rotating shaft, with the shaft hole in the fixed base tightly fitting the rotating shaft, ensuring an interference fit between the two and a secure connection between the fixed base and the base. This simplifies assembly of the hinge assembly and reduces the risk of the shaft hole and shaft failing during installation.

[0012] In a possible implementation of the first aspect of the present application, the axial hole extends radially and penetrates the surface of the fixing base to form a notch. This can help reduce the weight of the fixing base, thereby helping to reduce the weight of the hinge assembly, and thus facilitating the thinning of the electronic device.

[0013] In one possible implementation of the first aspect of the present application, the highest point of the fixing seat is lower than the highest point of the rotating shaft in the vertical direction. This structure allows the rotating shaft and the shaft hole to fit tightly together, with an interference fit between the two, while also reducing the vertical dimension of the hinge assembly (i.e., the thickness of the keyboard portion), thereby contributing to a slimmer and lighter electronic device.

[0014] In one possible implementation of the first aspect of the present application, two fixing seats are provided, disposed on either side of the base along the axis of the rotating shaft, with the ends of the rotating shaft respectively inserted into the shaft holes of the two fixing seats. This facilitates force balance in the hinge assembly, thereby improving the reliability of the overall structure.

[0015] In one possible implementation of the first aspect of the present application, the through hole extends radially along the rotation axis and penetrates the side wall of the base. Thus, when the rotating base is mounted on the base, the rotating base and the base can be rotatably connected by simply inserting the rotation axis of the rotating base into the through hole radially along the rotation axis, thereby simplifying installation.

[0016] In a possible implementation of the first aspect of the present application, the base includes a first portion and two second portions, the two second portions being respectively disposed at both ends of the first portion along a first direction, the second portion being fixedly connected to the first portion, and a through hole being provided in the second portion; the first direction is parallel to the axis of the rotating shaft. The rotating shaft is fixed to the rotating seat, and the two ends of the rotating shaft are respectively inserted into the through holes on the two second portions. In this way, the space enclosed by the first and second portions of the base can accommodate the portion of the rotating seat on which the rotating shaft is disposed, thereby facilitating an improvement in the integration of the hinge assembly formed by the base and the rotating seat, that is, facilitating a further reduction in the overall volume of the hinge assembly.

[0017] In one possible implementation of the first aspect of the present application, the base further includes a third portion, which is fixedly disposed on surfaces of the two second portions facing away from each other, and is configured to be fixedly connected to the first component. Thus, the third portion is disposed on symmetrical sides of the two second portions, thereby ensuring a more balanced overall force when the base is fixed to the first component, thereby improving the reliability of the connection between the base and the first component.

[0018] In a possible implementation of the first aspect of the present application, the rotating seat includes an arcuate portion and a first connecting portion, wherein the axis of the arcuate portion is parallel to the axis of the rotating shaft, and the first connecting portion extends in a direction close to the axis of the arcuate portion; along the circumference of the arcuate portion, the first end of the arcuate portion is fixedly connected to the first connecting portion, the rotating shaft is fixed to the first connecting portion, and the second end of the arcuate portion is used to be fixedly connected to the second component. With this structure, during the rotation of the arcuate portion of the rotating seat, since the surface of the arcuate portion is a circular arc structure, the distance between the arcuate portion and the adjacent structural member can be maintained, thereby reducing the avoidance space provided in the first component for avoiding the rotating seat.

[0019] In one possible implementation of the first aspect of the present application, the axis of the arcuate portion coincides with the axis of the rotating shaft. This allows the arcuate portion to rotate about its own axis, and during rotation, the distance between the arcuate portion and the first portion of the base remains constant, thereby reducing the distance between the arcuate portion and the first portion of the base, thereby improving the integration of the base and the rotating seat and further reducing the volume of the hinge assembly.

[0020] In one possible implementation of the first aspect of the present application, the swivel base further includes a second connecting portion, the second connecting portion being fixed to the second end of the arcuate portion and configured to be fixedly connected to the second component. In this configuration, the second connecting portion can extend away from the axis of the arcuate portion and be fixedly connected to the second component, thereby achieving a rotatable connection between the second component and the first component.

[0021] In one possible implementation of the first aspect of the present application, a relief hole is provided on the first connecting portion. In this structure, the relief hole can avoid the flexible connector used to achieve electrical connection between the first component and the second component, thereby preventing the flexible connector from excessively bending and reducing the risk of damage to the flexible connector due to excessive bending.

[0022] In one possible implementation of the first aspect of the present application, the rotating seat further comprises an arcuate plate disposed inside the arcuate portion, the arcuate plate being fixedly connected to the arcuate portion, and a space being defined between the arcuate plate and the inner wall of the arcuate portion, the space extending from the first end of the arcuate portion to the second end of the arcuate portion; an end of the space adjacent to the first end of the arcuate portion is opposite to the avoidance hole, and the space is connected to the avoidance hole. In this manner, the flexible connector can be disposed within the space, thereby achieving electrical connection between the first component and the second component while also effectively protecting the flexible connector.

[0023] In a possible implementation of the first aspect of the present application, the shaft hole is provided on the base, the rotating shaft is provided on the rotating seat, and the rotating shaft and the rotating seat are integrally formed. Under this structure, the connection strength between the rotating seat and the rotating shaft is improved.

[0024] In one possible implementation of the first aspect of the present application, a positioning shaft and a positioning hole are provided between the base and the fixing base. One of the positioning shaft and the positioning hole is provided on the base, and the other of the positioning shaft and the positioning hole is provided on the fixing base. The positioning shaft is inserted into the positioning hole. With this structure, the base and the fixing base can be pre-positioned, thereby improving installation accuracy and reducing installation difficulty.

[0025] In one possible implementation of the first aspect of the present application, multiple sets of positioning shafts and positioning holes are provided between the base and the fixing base. Thus, the multiple sets of positioning shafts and positioning holes are engaged and mated to prevent relative movement between the base and the fixing base along a plane perpendicular to the positioning shafts, thereby further improving installation accuracy.

[0026] In one possible implementation of the first aspect of the present application, a groove is formed on at least one of the outer wall of the rotating shaft facing the shaft hole and the inner wall of the shaft hole facing the rotating shaft, and a lubricating material is added to the groove. This facilitates smoother relative rotation of the rotating shaft and the shaft hole, thereby improving the user experience.

[0027] In a second aspect, an electronic device is provided, comprising a keyboard portion, a display portion, and a hinge assembly. The hinge assembly is a hinge assembly as described in any of the above technical solutions, wherein the base of the hinge assembly is fixedly connected to the keyboard portion, and the rotating base of the hinge assembly is fixedly connected to the display portion.

[0028] The electronic device provided in the second aspect of the present application, because it includes the hinge assembly described in any of the above technical solutions, can solve the same technical problems and achieve the same technical effects.

[0029] In one possible implementation of the second aspect of the present application, the keyboard portion includes a first region and a second region, with the first region having a thickness smaller than the second region. When the display portion and the keyboard portion are interlocked, the display portion and the first region are stacked. This structure facilitates reducing the overall thickness of the electronic device, as the second region accommodates some components, thereby reducing the thickness of the first region.

[0030] In one possible implementation of the second aspect of the present application, the sum of the thickness of the display portion and the thickness of the first region is equal to the thickness of the second region. Thus, when the electronic device is in a folded state, the surface of the display portion away from the first region is flush with the second region, improving the overall aesthetics.

[0031] In one possible implementation of the second aspect of the present application, an interface module is disposed in the second region, and a socket of the interface module is disposed on a surface of the second region away from the first region. With this structure, the number of components disposed in the first region can be reduced, thereby reducing the thickness of the first region and facilitating a thinner and lighter electronic device.

[0032] In one possible implementation of the second aspect of the present application, multiple hinge assemblies are provided, with the multiple hinge assemblies spaced apart along the rotation axis between the display portion and the keyboard portion. In this structure, the hinge assemblies provide multiple connection points between the display portion and the keyboard portion, thereby improving the reliability of the rotational connection between the display portion and the keyboard portion. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] FIG1 is a structural diagram of an electronic device (in an open state) provided in an embodiment of the present application;

[0034] FIG2 is a structural diagram of an electronic device (folded state) provided in an embodiment of the present application;

[0035] FIG3 is a partial structural diagram of an electronic device provided in an embodiment of the present application in a folded state;

[0036] FIG4 is an exploded view of an electronic device provided in an embodiment of the present application;

[0037] FIG5 is a structural diagram of a hinge assembly provided in an embodiment of the present application;

[0038] FIG6 is an exploded view of the hinge assembly provided in FIG5 ;

[0039] FIG7 is a structural diagram of the hinge assembly provided in FIG5 in another state;

[0040] FIG8 is a structural diagram of another rotating shaft provided in an embodiment of the present application;

[0041] FIG9 is a partial cross-sectional structural diagram of the rotating shaft and the shaft hole provided in FIG8 ;

[0042] FIG10 is a partial structural diagram of an electronic device provided by an embodiment of the present application in a folded state;

[0043] FIG11 is a partial structural diagram of an electronic device provided in an embodiment of the present application when in an open state;

[0044] FIG12 is an exploded view of another base in the hinge assembly provided in an embodiment of the present application;

[0045] FIG13 is a structural diagram of the hinge assembly provided in FIG12;

[0046] FIG14 is a partial structural diagram of another electronic device (including the hinge assembly provided in FIG13 ) according to an embodiment of the present application;

[0047] FIG15 is an enlarged view of the structure of area A in FIG14 ;

[0048] FIG16 is an enlarged view of a partial structure of another electronic device provided in an embodiment of the present application;

[0049] FIG17 is an exploded view of another base in the hinge assembly provided in an embodiment of the present application;

[0050] FIG18 is an exploded view of another base in the hinge assembly provided in an embodiment of the present application;

[0051] FIG19 is a structural diagram of another electronic device (including the hinge assembly provided in FIG18 ) provided in an embodiment of the present application;

[0052] FIG20 is a structural diagram of a rotating seat in a hinge assembly provided in an embodiment of the present application;

[0053] FIG21 is a cross-sectional structural diagram of the rotating seat and the base provided in FIG20 after assembly;

[0054] FIG22 is a partial structural assembly diagram of the hinge assembly, the display portion, and the keyboard portion provided in FIG20 ;

[0055] FIG23 is an exploded view of another hinge assembly provided in an embodiment of the application;

[0056] FIG24 is a cross-sectional structural diagram of the hinge assembly provided in FIG23;

[0057] FIG25 is an exploded view of another rotating seat provided in an embodiment of the present application.

[0058] Figure markings: 01-electronic device; 10-display part; 11-upper cover; 12-display screen; 20-keyboard part; 20a-first area; 20b-second area; 21-keyboard; 22-upper shell; 23-bottom shell; 23a-stud; 23b-threaded hole; 30-hinge assembly; 100-base; 110-first part; 120-second part; 121-positioning axis; 130-third part; 131-mounting hole; 200-rotating seat; 210-arc-shaped part; 211-arc-shaped groove; 220-first connecting part; 221-avoidance hole; 230-second connecting part; 240-arc-shaped plate; 250-partition space; 300-rotating assembly; 310-rotating shaft; 311-groove; 320-through hole; 400-fixed seat; 410-axis hole; 420-positioning hole. DETAILED DESCRIPTION

[0059] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0060] In the following, the terms "first," "second," etc. are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated. Therefore, a feature specified as "first," "second," etc. may explicitly or implicitly include one or more of the features.

[0061] In addition, in this application, directional terms such as "upper" and "lower" are defined relative to the orientation of the components in the drawings. It should be understood that these directional terms are relative concepts. They are used for relative description and clarification, and they can change accordingly according to changes in the orientation of the components in the drawings.

[0062] In this application, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0063] An embodiment of the present application provides an electronic device that is a foldable terminal device. For example, the electronic device may be a laptop computer. The following descriptions are based on the example of the electronic device being a laptop computer.

[0064] Specifically, referring to Figures 1 and 2, Figure 1 is a structural diagram of an electronic device 01 (opened state) provided in an embodiment of the present application, and Figure 2 is a structural diagram of an electronic device 01 (folded state) provided in an embodiment of the present application. The electronic device 01 may include a display portion 10, a keyboard portion 20, and a hinge assembly 30.

[0065] To facilitate the following description, an XYZ coordinate system is established, defining the width direction of electronic device 01 as the X-axis direction, the length direction of electronic device 01 as the Y-axis direction, and the thickness direction of electronic device 01 as the Z-axis direction. It is understood that the coordinate system of electronic device 01 can be flexibly set according to actual needs. This application only provides an example and is not to be considered as a special limitation of this application.

[0066] It is understandable that FIG1 and FIG2 merely schematically illustrate some components included in the electronic device 01 , and the actual shape, actual size, actual position and actual structure of these components are not limited by FIG1 and FIG2 .

[0067] The display portion 10 is used to display images, videos, and the like. The display portion 10 may include an upper cover 11 and a display screen 12. The display screen 12 is secured to the upper cover 11, for example, by bonding, snapping, or other means. The display screen 12 is positioned on the side of the upper cover 11 proximate to the keyboard portion 20. The upper cover 11 may be made of either metal or plastic. Therefore, this application does not specifically limit the material of the upper cover 11.

[0068] Furthermore, the display screen 12 may be a flexible display screen or a rigid display screen. For example, the display screen 12 may be an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode (AMOLED) display screen, a mini organic light-emitting diode (OLED) display screen, a micro organic light-emitting diode (OLED) display screen, a micro organic light-emitting diode (OLED) display screen, a quantum dot light-emitting diode (QLED) display screen, or a liquid crystal display (LCD) display screen.

[0069] The keyboard portion 20 is used to edit or perform other operations on the content displayed on the display screen 12. The keyboard portion 20 may include a keyboard 21, an upper housing 22, and a bottom housing 23. The keyboard 21 is fixed to the upper housing 22. The upper housing 22 and the bottom housing 23 are fixedly connected, for example, by bonding, snapping, threading, or welding. A storage space is formed between the upper housing 22 and the bottom housing 23, which is used to accommodate electronic components such as the motherboard, CPU (central processing unit), graphics card, memory, and fan.

[0070] In addition, the keyboard 21 is electrically connected to the mainboard, and the display screen 12 is electrically connected to the mainboard via a flexible connector (not shown), such as an FPC (Flexible Printed Circuit), so that the content displayed on the display screen 12 can be edited via the keyboard 21.

[0071] The hinge assembly 30 connects the display portion 10 and keyboard portion 20, enabling relative rotation between them, thereby transitioning the electronic device 01 between a folded and unfolded state. When the electronic device 01 is in the folded state (as shown in FIG. 2 ), the display portion 10 and keyboard portion 20 engage with each other, with the display 12 and keyboard 21 positioned opposite each other. Both the display 12 and keyboard 21 are positioned between the upper cover 11 and the bottom case 23, effectively protecting the display 12 and keyboard 21. In this state, the electronic device 01 forms a nearly plate-like structure, making it easy to carry.

[0072] When the electronic device 01 is in an open state (as shown in Figure 1), the display part 10 is rotated in a direction away from the keyboard part 20 to form an angle between the display part 10 and the keyboard part 20, so that the display screen 12 and the keyboard 21 are separated, and the user can view the image displayed on the display screen 12 and perform operations through the keyboard 21.

[0073] In order to enhance the user experience, the hinge assembly 30 can also provide damping force so that the display portion 10 can be maintained at different positions during the opening process of the electronic device 01, thereby being able to adapt to different usage scenarios and enhance the user experience.

[0074] Furthermore, to make the electronic device 01 thinner and lighter, please refer to Figures 3 and 4. Figure 3 is a partial structural diagram of the electronic device 01 in a folded state, and Figure 4 is an exploded view of the electronic device 01, according to an embodiment of the present application. In this electronic device 01, the keyboard portion 20 may include a first area 20a and a second area 20b. The thickness D1 of the first area 20a is smaller than the thickness D2 of the second area 20b, and the keyboard 21 is located within the first area 20a.

[0075] Furthermore, when the electronic device 01 is in the folded state, the display portion 10 and the first area 20a of the keyboard portion 20 are stacked. This means that the display portion 10 only covers the first area 20a of the keyboard portion 20, and the combined thickness of the display portion 10 and the first area 20a can equal the thickness of the second area 20b. This means that the thickness D3 of the display portion 10 plus the thickness D1 of the first area 20a equals the thickness D2 of the second area 20b. In this configuration, the hinge assembly 30 can be located where the first area 20a and the second area 20b of the keyboard portion 20 meet.

[0076] In this way, the interface modules set on the keyboard part 20 (for example, the USB interface module and the Type-C interface module, etc., not shown in the figure) can all be set in the second area 20b, and the socket of the interface module is set on the rear side of the keyboard part 20 (that is, the second area 20b is away from the surface of the first area 20a), thereby reducing the thickness of the first area 20a, which is conducive to the lightweight and thinning of the electronic device 01.

[0077] However, the hinge assembly 30 provided in the related art generally has a complex structure, resulting in a large overall volume of the hinge assembly 30 , which is not conducive to the lightweight and thinning of the electronic device 01 .

[0078] To solve the above problems, an embodiment of the present application provides a hinge assembly 30, which is applied to the above-mentioned electronic device 01. The hinge assembly 30 can be provided as one or more. For example, multiple hinge assemblies 30 can be spaced apart along the rotation axis between the display portion 10 and the keyboard portion 20, thereby enabling the display portion 10 and the keyboard portion 20 to have multiple connection points, which is beneficial to overall force balance. In this embodiment, as shown in FIG1 , two hinge assemblies 30 are provided between the display portion 10 and the keyboard portion 20 for illustration.

[0079] Please refer to Figures 5, 6, and 7. Figure 5 is a structural diagram of a hinge assembly 30 provided in an embodiment of the present application, Figure 6 is an exploded view of the hinge assembly 30 provided in Figure 5, and Figure 7 is a structural diagram of the hinge assembly 30 provided in Figure 5 in another state. The hinge assembly 30 shown in Figure 5 is the structure of the electronic device 01 when it is in a folded state (as shown in Figure 2), and the hinge assembly 30 shown in Figure 7 is the structure of the electronic device 01 when it is in an open state (as shown in Figure 1). The hinge assembly 30 may include a base 100, a rotating base 200, and a rotating assembly 300.

[0080] The base 100 is configured to be fixedly connected to the first component formed by the keyboard portion 20 shown in FIG. The rotating base 200 is configured to be fixedly connected to the second component formed by the display portion 10 shown in FIG. The rotating assembly 300 may include a rotating shaft 310 and a through hole 320. One of the rotating shaft 310 and the through hole 320 is disposed on the base 100, and the other of the rotating shaft 310 and the through hole 320 is disposed on the rotating base 200. The rotating shaft 310 is inserted into the through hole to rotatably connect the base 100 and the rotating base 200, thereby rotatably connecting the display portion 10 and the keyboard portion 20.

[0081] In some embodiments, the rotating shaft 310 can be disposed on the rotating base 200, and the through hole 320 can be defined on the base 100. For example, referring to Figures 5, 6, and 7, the base 100 can include a first portion 110 and two second portions 120. The two second portions 120 are respectively disposed at opposite ends of the first portion 110 along a first direction, and the second portions 120 are fixedly connected to the first portion 110. The through hole 320 is defined in the second portions 120. The first direction is parallel to the axis of the rotating shaft 310, i.e., the first direction is the Y-axis direction.

[0082] For example, the first portion 110 and the two second portions 120 are both flat-plate structures, and the first portion 110 and the two second portions 120 are disposed perpendicular to each other (for example, the first portion 110 is parallel to the YZ plane, and the second portions 120 are parallel to the XZ plane). In the XY plane, a portion of the rotating base 200 extends into the space enclosed by the two second portions 120 and the first portion 110, i.e., a portion of the rotating base 200 is located between the two second portions 120.

[0083] The second portion 120 and the first portion 110 may be fixed to each other by bonding, clamping, welding, or threading, or the second portion 120 and the first portion 110 may be integrally formed to form a single structural member.

[0084] Furthermore, a portion of the rotating base 200 is disposed between the two second portions 120, and the rotating shaft 310 is fixed to the side wall of the rotating base 200 facing the second portion 120. Both ends of the rotating shaft 310 are respectively inserted into the through holes 320 provided on the corresponding second portions 120, thereby achieving a rotational connection between the rotating base 200 and the base 100.

[0085] On this basis, in order to enable the display portion 10 to form any angle with the keyboard portion, that is, to maintain the display portion 10 in any position, please continue to refer to Figures 5, 6, and 7. The hinge assembly 30 also includes a fixing base 400. The fixing base 400 is provided on both sides of the base along the axial direction (i.e., the Y-axis direction) of the rotating shaft 310. The fixing base 400 has an axis hole 410, and the two ends of the rotating shaft 310 are respectively inserted into the corresponding axis hole 410 on the fixing base 400. The rotating shaft 310 and the axis hole 410 are interference fit.

[0086] The rotating shaft 310 and the shaft hole 410 have an interference fit. Therefore, during the relative rotation between the base 100 and the rotating base 200, the friction force generated between the rotating shaft 310 and the shaft hole 410 can form a damping force. In this embodiment, the axis of the rotating shaft 310 is parallel to the Y-axis direction.

[0087] Illustratively, along the circumference of the rotating shaft 310, the outer wall of the rotating shaft 310 and the inner wall of the shaft hole 410 are completely fitted and have an interference fit, i.e., an interference fit, so that the relative rotation between the rotating shaft 310 and the shaft hole 410 generates friction, thereby forming a damping force.

[0088] Alternatively, a protruding structure may be formed on the outer wall of the rotating shaft 310, and an interference fit is formed between the protruding structure and the inner wall of the shaft hole 410, that is, an interference fit is formed between the outer wall of the rotating shaft 310 and a local area of ​​the inner wall of the shaft hole 410, so that the relative rotation between the rotating shaft 310 and the shaft hole 410 generates friction, thereby forming a damping force.

[0089] It is understood that the above-mentioned protruding structure can be provided with only one or more. Moreover, the protruding structure can also be provided on the inner wall of the shaft hole 410. Therefore, this application does not specifically limit the specific structure of the interference fit between the rotating shaft 310 and the shaft hole 410.

[0090] In addition, in order to make the relative rotation of the rotating shaft 310 and the shaft hole 410 smoother. Lubricating material can be added between the rotating shaft 310 and the shaft hole 410 provided in the embodiment of the present application. For example, please refer to Figures 8 and 9, Figure 8 is a structural diagram of another rotating shaft 310 provided in the embodiment of the present application, and Figure 9 is a partial cross-sectional structural diagram of the rotating shaft 310 and the shaft hole 410 provided in Figure 8. A groove 311 can be provided on at least one of the outer wall of the rotating shaft 310 or the inner wall of the shaft hole 410, and the groove 311 is used to store lubricating material, so that during the relative rotation of the rotating shaft 310 and the shaft hole 410, the lubricating material in the groove 311 can cover the outer wall of the rotating shaft 310 and the inner wall of the shaft hole 410, thereby making the relative rotation between the rotating shaft 310 and the shaft hole 410 smoother and reducing wear, which is conducive to improving the user experience.

[0091] For example, please continue to refer to Figures 8 and 9. The above-mentioned groove 311 can be opened on the outer wall of the rotating shaft 310. Since the rotating shaft 310 and the shaft hole 410 are tightly fitted (i.e., interference fit) so that there is an interference between the two, a closed space is formed between the groove 311 on the rotating shaft 310 and the inner wall of the shaft hole 410. When the rotating shaft 310 and the shaft hole 410 rotate relative to each other, the area where the inner wall of the rotating shaft 310 and the groove 311 are opposite to each other can contact the lubricating material. Therefore, during the rotation process, the lubricating material added in the groove 311 can be applied to the inner wall of the shaft hole 410, and then to the outer wall of the rotating shaft, thereby playing a lubricating role between the rotating shaft 310 and the shaft hole 410.

[0092] Furthermore, since there is a certain interference fit between the rotating shaft 310 and the shaft hole 410 , there is still a damping force during the relative rotation of the rotating shaft 310 and the shaft hole 410 , so that the user can rotate the display component more smoothly while keeping the display component at any position.

[0093] For this purpose, please refer to Figures 10 and 11. Figure 10 is a partial structural diagram of the electronic device 01 provided in an embodiment of the present application when in a folded state, and Figure 11 is a partial structural diagram of the electronic device 01 provided in an embodiment of the present application when in an open state. The electronic devices 01 provided in Figures 10 and 11 both include the hinge assembly 30 shown in Figures 5-7 above.

[0094] In this way, the hinge assembly 30 provided in the embodiment of the present application securely connects the rotating base 200 to the display portion 10, and securely connects the base 100 to the keyboard portion 20, thereby achieving a rotational connection between the display portion 10 and the keyboard portion 20. In this hinge assembly 30, the base 100 and the rotating base 200 are rotationally connected via the rotating shaft 310 and the through hole 320. This simplifies the overall structure, reduces costs, and helps reduce the overall volume, thereby contributing to a lighter and thinner electronic device 01.

[0095] At the same time, fixed seats 400 are provided on both sides of the base 100, and the two ends of the rotating shaft 310 are respectively inserted into the corresponding shaft holes 410 on the fixed seats 400, and the rotating shaft 310 and the shaft hole 410 are interference fit, that is, there is an interference fit between the rotating shaft 310 and the shaft hole 410, so that when the rotating shaft 310 and the shaft hole 410 rotate relative to each other, friction can be generated to form a damping force, so that the display part 10 can be maintained at different positions relative to the keyboard part 20, which is beneficial to improving the user experience.

[0096] Furthermore, during installation, the ends of the rotating shaft 310 on the rotating base 200 can be first inserted into the corresponding through-holes 320. Since the through-holes 320 and the rotating shaft 310 only require a plug-in fit, no interference fit is required. Therefore, inserting the rotating shaft 310 into the through-holes 320 facilitates installation. The fixed base 400 can then be axially sleeved onto the rotating shaft 310 from each end of the rotating shaft 310, with an interference fit between the two. This helps reduce the overall installation difficulty.

[0097] In some embodiments, please refer to Figures 12 and 13. Figure 12 is an exploded view of another base 100 in the hinge assembly 30 provided in an embodiment of the present application, and Figure 13 is a structural diagram of the hinge assembly 30 provided in Figure 12. The through hole 320 on the second part 120 can extend in its radial direction and pass through the side wall of the second part 120. For example, the through hole 320 can extend along the Z-axis direction and pass through the upper surface of the second part 120. In this way, in the process of installing the rotating base 200, it is only necessary to place the rotating shaft 310 from the notch on the upper surface of the second part 120 into the through hole 320, thereby further reducing the difficulty of installation.

[0098] Then, the fixing bases 400 are installed at both ends of the rotating shaft 310. Specifically, the fixing bases 400 are respectively sleeved over the ends of the rotating shaft 310 along the axial direction of the rotating shaft 310, with an interference fit between the fixing bases 400 and the corresponding second portion 120. For example, the fixing bases 400 and the second portion 120 can be fixedly connected using screws, or alternatively, welding, bonding, or clamping.

[0099] To reduce the thickness of the electronic device 01, please refer to Figures 14 and 15. Figure 14 shows a partial structural diagram of another electronic device 01 (including the hinge assembly 30 shown in Figure 13) according to an embodiment of the present application. Figure 15 shows an enlarged view of the structure of region A in Figure 14. The enlarged view of Figure 15 omits the structure of the intermediate region along the Z-axis (the curved line in the figure represents a cross-section). Along the thickness direction of the electronic device 01, i.e., the Z-axis, the highest points of the second portion 120 and the fixing base 400 can be flush with the highest point of the rotating shaft 310. Alternatively, the highest points of the second portion 120 and the fixing base 400 can be lower than the highest point of the rotating shaft 310. It should be understood that the highest points of the second portion 120, the fixing base 400, and the rotating shaft 310 are the points farthest from the bottom surface of the bottom housing 23 along the thickness direction (i.e., the vertical direction) of the keyboard portion 20 when the hinge assembly 30 is installed within the bottom housing 23 of the keyboard portion 20.

[0100] Specifically, the distance L3 between the top surface of the second portion 120 along the Z-axis and the bottom surface of the keyboard portion 20 (i.e., the bottom surface of the bottom housing 23) is less than or equal to the distance L1 between the apex of the rotating shaft 310 and the bottom surface of the keyboard portion 20. This prevents the second portion 120 from being too large along the Z-axis, which helps reduce the thickness of the keyboard portion 20.

[0101] Furthermore, the distance L2 between the top surface of the fixing base 400 along the Z-axis and the bottom surface of the keyboard portion 20 (i.e., the bottom surface of the bottom shell 23) is less than or equal to the distance L1 between the vertex of the rotating shaft 310 and the bottom surface of the keyboard portion 20. In this structure, the axial hole 410 provided in the fixing base 400 is open on the side away from the bottom surface of the bottom shell 23, i.e., the inner wall of the axial hole 410 is an arc surface with an arc center angle greater than 180° and less than 360°. For example, the arc center angle of the arc surface formed by the inner wall of the axial hole 410 can be 270°, 280°, 290°, 300°, or 350°, etc.

[0102] This allows the shaft 310 to still fit tightly with the shaft hole 410, generating a damping force when the two rotate relative to each other. Furthermore, because both the fixing base 400 and the second portion 120 are open and their highest points are lower than the shaft 310, i.e., the fixing base 400 and the second portion 120 are not provided on the side of the shaft 310 away from the bottom surface of the bottom housing 23, this facilitates reducing the size of the hinge assembly 30 along the Z-axis, thereby reducing the thickness of the keyboard portion 20 and contributing to a lighter and thinner electronic device 01.

[0103] In other possible examples, please refer to Figure 16, which is an enlarged view of the partial structure of another electronic device 01 provided in an embodiment of the present application. The distance L3 between the top surface of the second part 120 along the Z-axis direction and the bottom surface of the keyboard part 20 can also be greater than the distance L1 between the apex of the rotating shaft 310 and the bottom surface of the keyboard part 20, that is, L3>L1>L2. In this way, the top surface of the second part 120 is higher than the apex of the rotating shaft 310, which can avoid contact between the apex of the rotating shaft 310 and the inner wall of the upper shell 22 of the keyboard part 20, that is, it can avoid the inner wall of the upper shell 22 hindering the rotation of the rotating shaft 310, thereby ensuring the normal rotation of the rotating shaft 310.

[0104] In some embodiments, please refer to Figure 17, which is an exploded view of another base 100 in the hinge assembly 30 provided in an embodiment of the present application. A positioning shaft 121 and a positioning hole 420 may be further provided between the second portion 120 of the base 100 and the fixing base 400. One of the positioning shaft 121 and the positioning hole 420 is provided on the second portion 120, and the other of the positioning shaft 121 and the positioning hole 420 is provided on the fixing base 400. The positioning shaft 121 is inserted into the positioning hole 420, thereby achieving pre-positioning between the base 100 and the fixing base 400.

[0105] Furthermore, multiple sets of the positioning shafts 121 and positioning holes 420 can be provided between the fixing base 400 and the second portion 120. In this way, the positioning shafts 121 and positioning holes 420 can prevent relative movement between the second portion 120 and the fixing base 400 in a direction perpendicular to the axis of the positioning shafts 121 (i.e., in any direction within the XZ plane) during installation, thereby facilitating the fixation of the second portion 120 and the fixing base 400 and improving overall installation accuracy.

[0106] On this basis, please refer to Figures 18 and 19. Figure 18 is an exploded view of another base 100 in the hinge assembly 30 provided in an embodiment of the present application, and Figure 19 is a structural diagram of another electronic device 01 provided in an embodiment of the present application (including the hinge assembly 30 provided in Figure 18). The base 100 may also include a third portion 130. The third portion 130 may be disposed on the surfaces of the two second portions 120 facing away from each other. The third portion 130 is configured to be fixedly connected to the keyboard portion 20 (i.e., the first component) to securely connect the base 100 to the keyboard portion 20.

[0107] For example, the third portion 130 may be provided on the surfaces of the two second portions 120 facing away from each other, and the third portion 130 may be fixed to the second portion 120 by gluing, clamping, welding, or screwing. Alternatively, the third portion 130 and the second portion 120 may be integrally formed, that is, the third portion 130, the second portion 120, and the first portion 110 may form a single structural unit to enhance the connection strength of the overall structure.

[0108] Furthermore, the third portion 130 can be fixedly connected to the keyboard portion 20 by gluing, snapping, welding, or screwing. For example, referring to Figures 18 and 19, the third portion 130 can be a plate-like structure parallel to the XY plane, and has a mounting hole 131 formed therein. The bottom shell 23 of the keyboard portion 20 is provided with a stud 23a, which has a threaded hole 23b formed therein. The third portion 130 is locked and fixed to the stud 23a of the bottom shell 23 by screws, thereby achieving a fixed connection between the base 100 and the bottom shell 23.

[0109] In addition, since the third part 130 is provided on the surfaces opposite to each other of the two second parts 120, that is, the two third parts 130 are distributed along the Y-axis direction, it is beneficial to the force balance when the base 100 and the bottom shell 23 are fixedly connected, thereby improving the connection reliability between the base 100 and the bottom shell 23.

[0110] Based on this, the above is a detailed description of the base 100 in the hinge assembly 30. The following is a detailed description of the rotating base 200 in the hinge assembly 30. Please refer to Figures 20 and 21. Figure 20 is a structural diagram of a rotating base 200 in the hinge assembly 30 provided in an embodiment of the present application, and Figure 21 is a cross-sectional structural diagram of the rotating base 200 and the base 100 provided in Figure 20 after assembly.

[0111] The rotating base 200 may include an arcuate portion 210, a first connecting portion 220, and a second connecting portion 230. The axis of the arcuate portion 210 is parallel to the axis of the rotating shaft 310, i.e., the axis of the arcuate portion 210 is arranged along the Y-axis. Along the circumference of the arcuate portion 210, the first end of the arcuate portion 210 is fixedly connected to the first connecting portion 220, and the second end of the arcuate portion 210 is fixedly connected to the second connecting portion 230. The rotating shaft 310 is fixed to the first connecting portion 220, and the second connecting portion 230 is fixedly connected to the display portion 10 (i.e., the second component).

[0112] In some embodiments, the arc portion 210 may be a circular plate-like structure. For example, the arc center angle of the arc may be 180°. When the arc portion 210 rotates around its circumference, the distance between the arc portion 210 and adjacent components (for example, the inner wall of the first portion 110 of the base 100) can be kept constant, thereby preventing the arc portion 210 from colliding with other components during rotation.

[0113] Since the rotating seat 200 needs to rotate circumferentially around the rotating shaft 310, that is, the axis of the rotating shaft 310 is the axis of relative rotation between the rotating seat 200 and the base 100. Therefore, in the embodiment of the present application, the axis of the arc portion 210 and the axis of the rotating shaft 310 can coincide with each other. In this way, during the relative rotation of the rotating seat 200 and the base 100, the distance between the portion of the arc portion 210 located between the two second portions 120 and the first portion 110 of the base 100 remains unchanged (that is, the distance along the X-axis direction). That is, during the rotation process, the arc portion 210 will not collide with the first portion 110 of the base 100, thereby ensuring that the rotating seat 200 can rotate smoothly relative to the base 100.

[0114] For example, please continue to refer to Figures 20 and 21. The above-mentioned first connecting part 220 can be a flat plate structure, which is fixed at the edge of the first end of the arc-shaped part 210 along the circumferential direction, and the first connecting part 220 extends in the direction close to the axis of the arc-shaped part 210. The above-mentioned rotating shaft 310 can be fixed to the side of the first connecting part 220 away from the first end of the arc-shaped part 210, so that the rotating shaft 310 can be coaxially arranged with the arc-shaped part 210.

[0115] Furthermore, the rotating shaft 310 can be a unitary structure fixedly connected to the first connecting portion 220, with its two ends extending axially thereof, inserted into the through-holes 320 in the two second portions 120, and tightly mated with the axial holes 410 in the two fixing bases 400. Alternatively, the rotating shaft 310 can include two sub-rotating shafts, i.e., the axes of the two sub-rotating shafts are co-linear, the two sub-rotating shafts are fixed to opposite sides of the first connecting portion 220 along the axial direction of the arcuate portion 210, and each sub-rotating shaft is connected to a corresponding second portion 120 and fixing base 400. Therefore, the present application does not impose any particular limitations on the specific structure of the rotating shaft 310.

[0116] In addition, the second connecting portion 230 may also be a flat plate structure, which is fixed to the edge of the second end of the arc-shaped portion 210 along the circumferential direction, and the second connecting portion 230 extends in a direction away from the axis of the arc-shaped portion 210. The second connecting portion 230 is used to be fixedly connected to the second component, that is, the display portion 10, thereby achieving a fixed connection between the rotating base 200 and the display portion 10.

[0117] In some embodiments, please refer to FIG22 , which is a partial structural assembly diagram of the hinge assembly 30, the display portion 10, and the keyboard portion 20 provided in FIG20 . The second connecting portion 230 can be fixedly connected to the upper cover 11 of the display portion 10 (as shown in FIG1 and FIG2 ). For example, the second connecting portion 230 and the upper cover 11 are fixedly connected by gluing, snapping, screwing, or welding. This enables a fixed connection between the rotating base 200 and the display portion 10, so that the rotating base 200 can drive the display portion 10 to rotate, thereby enabling the display portion 10 of the electronic device 01 to rotate relative to the keyboard portion 20.

[0118] Furthermore, as can be seen from the above, the display screen 12 of the display portion 10 and the mainboard within the keyboard portion 20 can be electrically connected via a flexible connector (i.e., an FPC board, not shown). To ensure the overall aesthetics of the electronic device 01, the FPC board can be positioned on the inner surface of the curved portion 210. When the electronic device 01 is in the open position, the curved portion 210 shields the FPC board, preventing it from being exposed, thus enhancing the aesthetics.

[0119] Furthermore, to facilitate the installation of the PFC board, please refer to Figures 23 and 24. Figure 23 is an exploded view of another hinge assembly 30 provided in an embodiment of the application, and Figure 24 is a cross-sectional structural view of the hinge assembly 30 provided in Figure 23. The first connecting portion 220 also defines a clearance hole 221, through which the FPC board passes. This avoids excessive bending of the FPC board between the mainboard and the display screen 12, thereby protecting the FPC board and reducing the risk of damage due to bending.

[0120] Based on this, the rotating base 200 may further include an arc-shaped plate 240, which is fixedly connected to the arc-shaped portion 210, and a space 250 is defined between the arc-shaped plate 240 and the inner wall of the arc-shaped portion 210. The space 250 extends from the first end of the arc-shaped portion 210 to the second end of the arc-shaped portion 210, and the end of the space 250 near the first end of the arc-shaped portion 210 is opposite to the avoidance hole 221, that is, the space 250 extends along the circumference of the arc-shaped portion 210 and is connected to the avoidance hole 221. The FPC board may be disposed in the space 250.

[0121] For example, please refer to Figure 25, which is an exploded view of another rotating seat 200 provided in an embodiment of the present application. An arcuate groove 211 is formed on the inner wall of the arcuate portion 210 and extends along the circumference of the arcuate portion 210 from the first end of the arcuate portion 210 to the second end of the arcuate portion 210. The arcuate plate 240 is spaced from the bottom of the arcuate groove 211 and fixedly connected to the arcuate portion 210, thereby forming a spacing space 250 between the arcuate plate 240 and the bottom of the arcuate groove 211, as shown in Figure 24.

[0122] In this way, the space 250 forms an extended channel with both ends connected to the outside, and one end of the extended channel is connected to the avoidance hole 221. Therefore, placing the FPC board in the space 250 can not only prevent the FPC board from being exposed, but also improve the overall aesthetics. It can also better protect the FPC board, further reducing the risk of damage to the FPC board.

[0123] It should be noted that while the FPC board is disposed within the space 250, it is not connected to the rotating base 200, that is, the two are not fixed relative to each other. During the rotation of the rotating base 200, the rotating base 200 and the FPC board move relative to each other, thereby preventing the FPC board from being pulled and further reducing the risk of damage to the FPC board.

[0124] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0125] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A hinge assembly, characterized in that: include: A base, used for fixedly connecting with the first component; A rotating seat, used for fixedly connecting with the second component; A rotating assembly, comprising a rotating shaft and a through hole, wherein one of the rotating shaft and the through hole is arranged on the base, and the other of the rotating shaft and the through hole is arranged on the rotating seat; the rotating shaft is inserted into the through hole so that the base is rotatably connected with the rotating seat; The fixing seat is fixedly connected to the base, and an axial hole is opened on the fixing seat, and the end of the rotating shaft is inserted into the axial hole; the rotating shaft and the axial hole are interference fit.

2. The hinge assembly according to claim 1, characterized in that: The axial hole extends radially and penetrates through the surface of the fixing seat to form an opening.

3. The hinge assembly according to claim 2, characterized in that: In the vertical direction, the highest point of the fixing seat is lower than the highest point of the rotating shaft.

4. The hinge assembly according to any one of claims 1 to 3, characterized in that: The fixing seats are provided with two, and the two fixing seats are arranged on both sides of the base along the axial direction of the rotating shaft, and the two ends of the rotating shaft are respectively inserted into the shaft holes on the two fixing seats.

5. The hinge assembly according to any one of claims 1 to 4, characterized in that: The through hole extends along the radial direction of the rotating shaft and passes through the side wall of the base.

6. The hinge assembly according to any one of claims 1 to 5, characterized in that: The base includes a first part and two second parts, the two second parts are respectively arranged at two ends of the first part along the first direction, the second part is fixedly connected to the first part, and the through hole is opened on the second part; the first direction is parallel to the axis of the rotating shaft; The rotating shaft is fixed on the rotating seat, and two ends of the rotating shaft are respectively inserted into the through holes on the two second parts.

7. The hinge assembly according to claim 6, characterized in that: The base further comprises a third part, and the third part is fixedly arranged on two surfaces of the second parts which are away from each other, and the third part is used for fixed connection with the first part.

8. The hinge assembly according to any one of claims 1 to 7, characterized in that: The rotating seat includes an arc-shaped portion and a first connecting portion, the axis of the arc-shaped portion is parallel to the axis of the rotating shaft, and the first connecting portion extends in a direction close to the axis of the arc-shaped portion; along the circumference of the arc-shaped portion, the first end of the arc-shaped portion is fixedly connected to the first connecting portion, the rotating shaft is fixed on the first connecting portion, and the second end of the arc-shaped portion is used to be fixedly connected to the second component.

9. The hinge assembly according to claim 8, characterized in that: The axis of the arc portion coincides with the axis of the rotating shaft.

10. The hinge assembly according to claim 8 or 9, characterized in that: The rotating seat also includes a second connecting portion, which is fixed to the second end of the arc-shaped portion, and the second connecting portion is used for fixed connection with the second component.

11. The hinge assembly according to any one of claims 8 to 10, characterized in that: The first connecting portion is provided with an avoidance hole.

12. The hinge assembly according to claim 11, characterized in that: The rotating seat also includes an arc-shaped plate, which is arranged on the inner side of the arc-shaped portion, the arc-shaped plate is fixedly connected to the arc-shaped portion, and there is a spacing space between the arc-shaped plate and the inner wall of the arc-shaped portion, and the spacing space extends from the first end of the arc-shaped portion to the second end of the arc-shaped portion; the end of the spacing space close to the first end of the arc-shaped portion is opposite to the avoidance hole, and the spacing space is connected to the avoidance hole.

13. The hinge assembly according to any one of claims 1 to 12, characterized in that: The shaft hole is opened on the base, the rotating shaft is arranged on the rotating seat, and the rotating shaft and the rotating seat are integrally formed.

14. The hinge assembly according to any one of claims 1 to 13, characterized in that: A positioning shaft and a positioning hole are provided between the base and the fixing seat, one of the positioning shaft and the positioning hole is provided on the base, the other of the positioning shaft and the positioning hole is provided on the fixing seat, and the positioning shaft is inserted into the positioning hole.

15. The hinge assembly according to claim 14, characterized in that: A plurality of groups of the positioning shafts and the positioning holes are arranged between the base and the fixing seat.

16. The hinge assembly according to any one of claims 1 to 15, characterized in that: A groove is provided on at least one of the outer wall of the rotating shaft facing the shaft hole and the inner wall of the shaft hole facing the rotating shaft, and the groove is used for adding lubricating material.

17. An electronic device, characterized in that: It comprises a keyboard part, a display part and a hinge assembly, wherein the hinge assembly is the hinge assembly according to any one of claims 1 to 16, the base of the hinge assembly is fixedly connected to the keyboard part, and the rotating seat of the hinge assembly is fixedly connected to the display part.

18. The electronic device according to claim 17, characterized in that: The keyboard portion includes a first area and a second area, and the thickness of the first area is smaller than the thickness of the second area; When the display portion and the keyboard portion are engaged with each other, the display portion and the first area are stacked.

19. The electronic device according to claim 18, characterized in that: The sum of the thickness of the display portion and the thickness of the first region is equal to the thickness of the second region.

20. The electronic device according to claim 18, characterized in that An interface module is disposed in the second area, and a socket of the interface module is disposed on a surface of the second area away from the first area.

21. The electronic device according to any one of claims 17 to 20, characterized in that: A plurality of hinge assemblies are provided, and the plurality of hinge assemblies are distributed at intervals along a rotation axis between the display portion and the keyboard portion.

Images